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Controllable synthesis of layered double hydroxides: From macroscopic morphology to microscopic coordination at the atomic level
Coordination Chemistry Reviews ( IF 20.3 ) Pub Date : 2025-01-23 , DOI: 10.1016/j.ccr.2025.216437
Sha Bai, Guihao Liu, Tianyang Shen, Zhaohui Wu, Wei Chen, Yu-Fei Song

Layered double hydroxides (LDHs), as a typical inorganic two-dimensional layered material, have been widely studied in the fields of photoelectrocatalysis, energy, and environment due to their unique layered structure and excellent catalytic activity. In addition, the flexible and adjustable laminate composition of LDHs, the flexible anion exchange and column-supported exfoliation of the domain-limited space allow the reactivity of LDHs to be modulated with the changes in their composition, size, thickness, morphology, etc. Therefore, the precise synthesis of LDHs from macroscopic to microscopic is the key to promoting their development in fundamental science and industrial application. Herein, we summarize the controllable synthesis methods of LDHs in recent years, including the precise tuning strategies of macroscopic structure, such as morphology, size, thickness, etc. Furthermore, controllable preparation strategies of coordination structure at the atomic level, including the intercalation ions, coordination number, and coordination environment were also reviewed. Meanwhile, the application of synthesized LDHs with specific structures in photocatalysis, batteries, environment, and other fields has also been mentioned. Finally, the major challenges and prospects of LDHs are discussed in terms of further improving the controllability of precise synthesis.

中文翻译:


层状双氢氧化物的可控合成:从宏观形态到原子水平的微观配位



层状双氢氧化物 (LDHs) 作为一种典型的无机二维层状材料,由于其独特的层状结构和优异的催化活性,在光电催化、能源和环境等领域得到了广泛的研究。此外,LDHs 灵活且可调节的层压板组成、灵活的阴离子交换和域有限空间的柱支撑剥离,使 LDH 的反应性能够随着其组成、大小、厚度、形态等的变化而调节。因此,LDHs从宏观到微观的精确合成是推动其在基础科学和工业应用中发展的关键。本文总结了近年来 LDHs 的可控合成方法,包括宏观结构的精确调优策略,如形貌、尺寸、厚度等。此外,还综述了原子水平配位结构的可控制备策略,包括插层离子、配位数和配位环境。同时,具有特定结构的合成 LDHs 在光催化、电池、环境等领域的应用也被提及。最后,从进一步提高精确合成的可控性的角度讨论了 LDHs 的主要挑战和前景。
更新日期:2025-01-23
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